Mycobacterium avium complex
Mycobacterium avium complex (MAC) is a group of bacteria that are related to tuberculosis. These bacteria can infect humans, but they can also infect birds and other animals. In humans, MAC can cause a variety of symptoms, including fever, weight loss, and lung disease. MAC is particularly dangerous for people with weakened immune systems, such as those with HIV/AIDS.
History[edit | edit source]
MAC was first identified in the 1950s. Since then, it has been recognized as a significant cause of disease in humans, particularly in those with weakened immune systems. The complex is named after the two most common species, Mycobacterium avium and Mycobacterium intracellulare.
Transmission[edit | edit source]
MAC bacteria are found in many different environments, including soil, water, and dust. They can be inhaled or ingested, and can also enter the body through wounds. Once inside the body, they can cause infection.
Symptoms and Diagnosis[edit | edit source]
Symptoms of MAC infection can vary widely, depending on the individual and the severity of the infection. Common symptoms include fever, weight loss, fatigue, and night sweats. In severe cases, MAC can cause serious lung disease.
Diagnosis of MAC is typically made through a combination of clinical symptoms and laboratory tests. These tests can include blood tests, sputum culture, and chest X-ray.
Treatment[edit | edit source]
Treatment for MAC typically involves a combination of antibiotics. The specific antibiotics used can vary, depending on the individual and the severity of the infection. In some cases, long-term antibiotic therapy may be necessary.
Prevention[edit | edit source]
Prevention of MAC involves avoiding exposure to the bacteria. This can be difficult, as the bacteria are widespread in the environment. However, individuals with weakened immune systems may be advised to take precautions, such as avoiding certain high-risk activities and taking prophylactic antibiotics.
See also[edit | edit source]
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